Eragrostis infecunda

Long rhizomatous and often stoloniferous perennial, culms wiry, to c. 3 mm diam., often knotty at base, sparsely branched, to c. 1 m high. Leaves smooth and glabrous, largely confined to culms; blade inrolled, rarely flat, to 15 cm long and 3 mm wide, often reduced in upper part of culm; sheath mostly remaining erect. Inflorescence a panicle, to 15 cm long and 8 cm wide, loosely contracted. Spikelets 5–11-flowered, 5–13 mm long and 1.5–2 mm wide, slaty green or grey, shining; glumes membranous, at least the upper with midvein apparent, acute, the lower 2–4 mm long, the upper usually longer by 1.5–2 mm; lemma 2.2–3.3 mm long, acute, the apex remaining entire until anthesis; palea equal to lemma, splitting along the midline as the grain matures; anthers 1.2–2.3 mm long. Flowers mainly Sep.–Apr.